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<head><meta charset="utf-8"><title>Identifier Irrifutability · t-lang/doc · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/237824-t-lang/doc/index.html">t-lang/doc</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/237824-t-lang/doc/topic/Identifier.20Irrifutability.html">Identifier Irrifutability</a></h3>

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<a name="207357961"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/237824-t-lang/doc/topic/Identifier%20Irrifutability/near/207357961" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> isHavvy <a href="https://rust-lang.github.io/zulip_archive/stream/237824-t-lang/doc/topic/Identifier.20Irrifutability.html#207357961">(Aug 19 2020 at 00:17)</a>:</h4>
<blockquote>
<p>Identifier patterns are irrefutable if the <code>@</code> subpattern is irrefutable or<br>
the subpattern is not specified.</p>
</blockquote>
<p>@ehuss has a PR adding this to the reference but isn't 100% confident this is correct. Can I get a confirmation from the lang team that this is indeed correct? The PR is <a href="https://github.com/rust-lang/reference/pull/876">https://github.com/rust-lang/reference/pull/876</a> and the second commit is the one in question specifically.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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